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Finding the Fourth Proportional to 9,657,963.60, 14,486,945.40 and 2,925,502.80

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Solution

The fourth proportional to 9,657,963.60, 14,486,945.40 and 2,925,502.80 is: 4,388,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657,963.60 : 14,486,945.40 = 2,925,502.80 : x
  2. Step 2: Convert to fraction form
    9,657,963.60/14,486,945.40 = 2,925,502.80/x
  3. Step 3: Cross multiply
    9,657,963.60x = 14,486,945.40 × 2,925,502.80
  4. Step 4: Simplify right side
    9,657,963.60x = 42,381,599,331,147.12
  5. Step 5: Solve for x
    x = 42,381,599,331,147.12/9,657,963.60
  6. Step 6: Final answer
    x = 4,388,254.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.